\subfloat[{\footnotesize As exposure index (baseline)}]{\label{fig:CLAN_select_ctakers_t_index_as}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_index_as.png}}
\subfloat[{\footnotesize As in drinking water (baseline, BGD)}]{\label{fig:CLAN_select_ctakers_t_hh_as_50pl}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_hh_as_50pl.png}}
\subfloat[{\footnotesize Predicted income $<$ poverty threshold}]{\label{fig:CLAN_select_ctakers_t_fu_p_score_2usd}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_fu_p_score_2usd.png}}
\subfloat[{\footnotesize Self-reported poor }]{\label{fig:CLAN_select_ctakers_t_fu_self_poor}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_fu_self_poor.png}} \\
\subfloat[{\footnotesize Household asset index }]{\label{fig:CLAN_select_ctakers_t_fu_hh_ass_c1}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_fu_hh_ass_c1.png}}
\subfloat[{\footnotesize Self-reported high-income }]{\label{fig:CLAN_select_ctakers_t_fu_self_upper}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_fu_self_upper.png}}
\subfloat[{\footnotesize Savings }]{\label{fig:CLAN_select_ctakers_t_fu_savings}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_fu_savings.png}}
\subfloat[{\footnotesize Lent money }]{\label{fig:CLAN_select_ctakers_t_lend_dummy}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_lend_dummy.png}} \\
\subfloat[{\footnotesize Household head uneducated }]{\label{fig:CLAN_select_ctakers_t_fu_hhh_noedu}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_fu_hhh_noedu.png}}
\subfloat[{\footnotesize Household head illiterate }]{\label{fig:CLAN_select_ctakers_t_fu_hhh_noread}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_fu_hhh_noread.png}}
\subfloat[{\footnotesize Household size }]{\label{fig:CLAN_select_ctakers_t_num_hh_m}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_num_hh_m.png}}
\subfloat[{\footnotesize Inferred value of time }]{\label{fig:CLAN_select_ctakers_t_value_time_h}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_value_time_h.png}} \\
\subfloat[{\footnotesize Knows of community association}]{\label{fig:CLAN_select_ctakers_t_know_ass_ind}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_know_ass_ind.png}}
\subfloat[{\footnotesize In-network size }]{\label{fig:CLAN_select_ctakers_t_network_nom}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_network_nom.png}}
\subfloat[{\footnotesize Identified as community leader}]{\label{fig:CLAN_select_ctakers_t_leader_hh}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_leader_hh.png}}
\subfloat[{\footnotesize WTP for new safe source (cash)}]{\label{fig:CLAN_select_ctakers_t_ws_soc_wtp}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_ws_soc_wtp.png}} \\
\subfloat[{\footnotesize WTP for new safe source (time)}]{\label{fig:CLAN_select_ctakers_t_ws_soc_wtp_time}\centering\includegraphics[width=0.25\linewidth]{supplementary_graphs/subfigs/het_select_ctakers_t_ws_soc_wtp_time.png}}
